Gaya APA

Snellen, H. (1980). E. J Marey And Cardiology : Physiologist and pioneer of tecnology . Rotterdam: Kooyker Sciatific Publications.

Gaya MLA

Snellen, H.A. "E. J Marey And Cardiology : Physiologist and pioneer of tecnology". Rotterdam: Kooyker Sciatific Publications, 1980. Text.